1357870906 has 8 divisors (see below), whose sum is σ = 2327778720. Its totient is φ = 581944668.

The previous prime is 1357870901. The next prime is 1357870949. The reversal of 1357870906 is 6090787531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1357870906² = 3687626794722521672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1357870901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48495376 + ... + 48495403.

It is an arithmetic number, because the mean of its divisors is an integer number (290972340).

Almost surely, 2^1357870906 is an apocalyptic number.

1357870906 is a deficient number, since it is larger than the sum of its proper divisors (969907814).

1357870906 is an equidigital number, since it uses as much as digits as its factorization.

1357870906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96990788.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 1357870906 is about 36849.2999390762. The cubic root of 1357870906 is about 1107.3531899149.

It can be divided in two parts, 1357870 and 906, that added together give a triangular number (1358776 = T₁₆₄₈).

The spelling of 1357870906 in words is "one billion, three hundred fifty-seven million, eight hundred seventy thousand, nine hundred six".